/* *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved. * *Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the *"Software"), to deal in the Software without restriction, including *without limitation the rights to use, copy, modify, merge, publish, *distribute, sublicense, and/or sell copies of the Software, and to *permit persons to whom the Software is furnished to do so, subject to *the following conditions: * *The above copyright notice and this permission notice shall be *included in all copies or substantial portions of the Software. * *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * *Except as contained in this notice, the name of Harold L Hunt II *shall not be used in advertising or otherwise to promote the sale, use *or other dealings in this Software without prior written authorization *from Harold L Hunt II. * * Authors: Harold L Hunt II */ #ifdef HAVE_XWIN_CONFIG_H #include <xwin-config.h> #endif #include "win.h" #include "winmsg.h" /* * References to external symbols */ extern int g_iNumScreens; extern winScreenInfo g_ScreenInfo[]; extern Bool g_fXdmcpEnabled; /* * Prototypes */ Bool winValidateArgs (void); /* * winValidateArgs - Look for invalid argument combinations */ Bool winValidateArgs (void) { int i; int iMaxConsecutiveScreen = 0; BOOL fHasNormalScreen0 = FALSE; /* * Check for a malformed set of -screen parameters. * Examples of malformed parameters: * XWin -screen 1 * XWin -screen 0 -screen 2 * XWin -screen 1 -screen 2 */ for (i = 0; i < MAXSCREENS; i++) { if (g_ScreenInfo[i].fExplicitScreen) iMaxConsecutiveScreen = i + 1; } winErrorFVerb (2, "winValidateArgs - g_iNumScreens: %d " "iMaxConsecutiveScreen: %d\n", g_iNumScreens, iMaxConsecutiveScreen); if (g_iNumScreens < iMaxConsecutiveScreen) { ErrorF ("winValidateArgs - Malformed set of screen parameter(s). " "Screens must be specified consecutively starting with " "screen 0. That is, you cannot have only a screen 1, nor " "could you have screen 0 and screen 2. You instead must " "have screen 0, or screen 0 and screen 1, respectively. Of " "you can specify as many screens as you want from 0 up to " "%d.\n", MAXSCREENS - 1); return FALSE; } /* Loop through all screens */ for (i = 0; i < g_iNumScreens; ++i) { /* * Check for any combination of * -multiwindow, -mwextwm, and -rootless. */ { int iCount = 0; /* Count conflicting options */ #ifdef XWIN_MULTIWINDOW if (g_ScreenInfo[i].fMultiWindow) ++iCount; #endif #ifdef XWIN_MULTIWINDOWEXTWM if (g_ScreenInfo[i].fMWExtWM) ++iCount; #endif if (g_ScreenInfo[i].fRootless) ++iCount; /* Check if the first screen is without rootless and multiwindow */ if (iCount == 0 && i == 0) fHasNormalScreen0 = TRUE; /* Fail if two or more conflicting options */ if (iCount > 1) { ErrorF ("winValidateArgs - Only one of -multiwindow, -mwextwm, " "and -rootless can be specific at a time.\n"); return FALSE; } } /* Check for -multiwindow or -mwextwm and Xdmcp */ /* allow xdmcp if screen 0 is normal. */ if (g_fXdmcpEnabled && !fHasNormalScreen0 && (FALSE #ifdef XWIN_MULTIWINDOW || g_ScreenInfo[i].fMultiWindow #endif #ifdef XWIN_MULTIWINDOWEXTWM || g_ScreenInfo[i].fMWExtWM #endif ) ) { ErrorF ("winValidateArgs - Xdmcp (-query, -broadcast, or -indirect) " "is invalid with -multiwindow or -mwextwm.\n"); return FALSE; } /* Check for -multiwindow, -mwextwm, or -rootless and fullscreen */ if (g_ScreenInfo[i].fFullScreen && (FALSE #ifdef XWIN_MULTIWINDOW || g_ScreenInfo[i].fMultiWindow #endif #ifdef XWIN_MULTIWINDOWEXTWM || g_ScreenInfo[i].fMWExtWM #endif || g_ScreenInfo[i].fRootless) ) { ErrorF ("winValidateArgs - -fullscreen is invalid with " "-multiwindow, -mwextwm, or -rootless.\n"); return FALSE; } /* Check for !fullscreen and any fullscreen-only parameters */ if (!g_ScreenInfo[i].fFullScreen && (g_ScreenInfo[i].dwRefreshRate != WIN_DEFAULT_BPP || g_ScreenInfo[i].dwBPP != WIN_DEFAULT_REFRESH)) { ErrorF ("winValidateArgs - -refresh and -depth are only valid " "with -fullscreen.\n"); return FALSE; } /* Check for fullscreen and any non-fullscreen parameters */ if (g_ScreenInfo[i].fFullScreen && (g_ScreenInfo[i].fScrollbars || !g_ScreenInfo[i].fDecoration || g_ScreenInfo[i].fLessPointer)) { ErrorF ("winValidateArgs - -fullscreen is invalid with " "-scrollbars, -nodecoration, or -lesspointer.\n"); return FALSE; } } winDebug ("winValidateArgs - Returning.\n"); return TRUE; }